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(a) When the tire pressure warning light does not go off, or when it turns on during driving, check the tire pressure. If the tire pressure warning light turns on within several hours after adjusting the tire pressure, the tire may have a slow air leak. (b) Under the following conditions, the system may not function properly. (1) The system will be disabled in the following conditions: HINT: When the problem is resolved, the system will operate properly. Tires without a tire pressure warning valve and transmitter are used. When a tire pressure warning valve and transmitter ID is not registered in the ECU. The tire pressure is abnormally high (absolute pressure: 600 kPa (6.1 kgf/cm 2 , 87 psi) or higher; relative pressure: 500 kPa (5.1 kgf/cm 2 , 73 psi) or higher). (2) The system may be disabled in the following conditions: HINT: When the problem is resolved, the system will operate properly. the wheel houses. Any wheels other than the specified ones are used. Tire chains are used. (c) If a tire pressure warning valve and transmitter is removed from a wheel, replace the grommets. (d) After removing and installing the ECU or a sensor, check for a DTC and verify that it is a normal code. 4. FUNCTION OF COMPONENTS COMPONENTS FUNCTION Tire pressure warning valve and transmitter Combined as a single unit with a disc wheel air valve, it measures tire pressure and temperature and transmits a transmitter ID for measurement values and identification. Has a built-in battery. Tire pressure warning antenna and receiver Receives signals from a transmitter and sends the signals to the tire pressure warning ECU. Tire pressure warning ECU Determines the current status based on the signals from the receiver, and displays the status on the combination meter. Tire pressure warning light Tire pressure warning reset switch Enters initialization mode for tire or wheel replacement. 5. TIRE PRESSURE WARNING RESET SWITCH By operating the tire pressure warning reset switch, the tire pressure warning ECU can be set to issue TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: SYST... |